./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 160554c42c564a52ebd5fe8cd6d07ff66d908df6432eaaa8c30073c4760a7967 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:32,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:32,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:32,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:32,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:32,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:32,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:32,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:32,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:32,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:32,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:32,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:32,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:32,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:32,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:32,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:32,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:32,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:32,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:32,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:32,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:32,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:32,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:32,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:32,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:32,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:32,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:32,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:32,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:32,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:32,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:32,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:32,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:32,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:32,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:32,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:32,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:32,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:32,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:32,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:32,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:32,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:58:32,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:32,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:32,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:32,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:32,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:32,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:32,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:32,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:58:32,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:32,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:58:32,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:32,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:32,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:32,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:32,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:58:32,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:32,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:32,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:32,976 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:32,976 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:32,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:32,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:32,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:32,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:32,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:32,978 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:32,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:32,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:32,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 160554c42c564a52ebd5fe8cd6d07ff66d908df6432eaaa8c30073c4760a7967 [2021-11-13 21:58:33,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:33,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:33,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:33,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:33,253 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:33,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-13 21:58:33,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/data/3a6fa1972/77bb38a27ff04660839b22300d5ed03f/FLAG1f46882b8 [2021-11-13 21:58:33,803 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:33,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-13 21:58:33,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/data/3a6fa1972/77bb38a27ff04660839b22300d5ed03f/FLAG1f46882b8 [2021-11-13 21:58:34,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/data/3a6fa1972/77bb38a27ff04660839b22300d5ed03f [2021-11-13 21:58:34,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:34,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:34,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:34,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:34,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:34,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b707f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34, skipping insertion in model container [2021-11-13 21:58:34,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:34,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:34,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[4902,4915] [2021-11-13 21:58:34,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:34,495 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:34,538 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[4902,4915] [2021-11-13 21:58:34,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:34,587 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:34,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34 WrapperNode [2021-11-13 21:58:34,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:34,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:34,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:34,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:34,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:34,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:34,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:34,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:34,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:34,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:34,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:34,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:34,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:34" (1/1) ... [2021-11-13 21:58:34,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:34,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:34,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:34,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527263a7-39cf-4276-af51-45e3c3dff09c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:58:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:58:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:35,537 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:35,537 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:58:35,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:35 BoogieIcfgContainer [2021-11-13 21:58:35,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:35,541 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:35,541 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:35,551 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:35,552 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:35" (1/1) ... [2021-11-13 21:58:35,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2021-11-13 21:58:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2021-11-13 21:58:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:35,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:35,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2021-11-13 21:58:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2021-11-13 21:58:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:58:36,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-11-13 21:58:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-11-13 21:58:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:58:36,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 114 transitions. [2021-11-13 21:58:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 114 transitions. [2021-11-13 21:58:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 21:58:36,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2021-11-13 21:58:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2021-11-13 21:58:36,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 21:58:36,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 83 states and 135 transitions. [2021-11-13 21:58:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2021-11-13 21:58:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 21:58:36,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2021-11-13 21:58:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2021-11-13 21:58:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 21:58:36,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2021-11-13 21:58:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2021-11-13 21:58:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 21:58:37,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:37,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 165 transitions. [2021-11-13 21:58:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 165 transitions. [2021-11-13 21:58:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 21:58:37,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:37,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2021-11-13 21:58:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2021-11-13 21:58:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 21:58:37,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:37,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 104 states and 165 transitions. [2021-11-13 21:58:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 165 transitions. [2021-11-13 21:58:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:58:37,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:37,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 126 states and 205 transitions. [2021-11-13 21:58:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2021-11-13 21:58:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:58:39,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2021-11-13 21:58:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2021-11-13 21:58:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:58:39,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 128 states and 205 transitions. [2021-11-13 21:58:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 205 transitions. [2021-11-13 21:58:39,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:58:39,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 129 states and 205 transitions. [2021-11-13 21:58:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 205 transitions. [2021-11-13 21:58:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:58:39,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 205 transitions. [2021-11-13 21:58:40,049 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 205 transitions. [2021-11-13 21:58:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:40,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:40,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2021-11-13 21:58:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2021-11-13 21:58:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:42,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 177 states and 289 transitions. [2021-11-13 21:58:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions. [2021-11-13 21:58:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:47,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 178 states and 289 transitions. [2021-11-13 21:58:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2021-11-13 21:58:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:47,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 179 states and 289 transitions. [2021-11-13 21:58:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 289 transitions. [2021-11-13 21:58:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:47,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 180 states and 292 transitions. [2021-11-13 21:58:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 292 transitions. [2021-11-13 21:58:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:48,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 181 states and 292 transitions. [2021-11-13 21:58:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 292 transitions. [2021-11-13 21:58:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:48,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 182 states and 292 transitions. [2021-11-13 21:58:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 292 transitions. [2021-11-13 21:58:48,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:48,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 183 states and 292 transitions. [2021-11-13 21:58:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 292 transitions. [2021-11-13 21:58:48,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:48,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 184 states and 292 transitions. [2021-11-13 21:58:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 292 transitions. [2021-11-13 21:58:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:48,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 185 states and 292 transitions. [2021-11-13 21:58:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 292 transitions. [2021-11-13 21:58:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:58:48,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 198 states and 315 transitions. [2021-11-13 21:58:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 315 transitions. [2021-11-13 21:58:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:58:55,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:55,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 201 states and 320 transitions. [2021-11-13 21:59:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 320 transitions. [2021-11-13 21:59:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:59:02,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:02,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 209 states and 337 transitions. [2021-11-13 21:59:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2021-11-13 21:59:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:59:12,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:12,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 213 states and 351 transitions. [2021-11-13 21:59:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 351 transitions. [2021-11-13 21:59:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 21:59:15,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:15,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:59:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 214 states and 351 transitions. [2021-11-13 21:59:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 351 transitions. [2021-11-13 21:59:15,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 21:59:15,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:15,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 251 states and 456 transitions. [2021-11-13 22:00:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 456 transitions. [2021-11-13 22:00:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 22:00:42,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:42,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:00:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 252 states and 456 transitions. [2021-11-13 22:00:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 456 transitions. [2021-11-13 22:00:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:00:43,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:43,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:01:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 266 states and 486 transitions. [2021-11-13 22:01:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 486 transitions. [2021-11-13 22:01:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:01:03,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:03,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:01:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 285 states and 525 transitions. [2021-11-13 22:01:29,865 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 525 transitions. [2021-11-13 22:01:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:01:29,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:29,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:01:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 294 states and 545 transitions. [2021-11-13 22:01:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 545 transitions. [2021-11-13 22:01:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 22:01:47,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:47,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:01:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 298 states and 553 transitions. [2021-11-13 22:01:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 553 transitions. [2021-11-13 22:01:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:01:55,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:55,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:07,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 333 states and 662 transitions. [2021-11-13 22:05:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 662 transitions. [2021-11-13 22:05:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:05:07,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:07,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:07:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 371 states and 771 transitions. [2021-11-13 22:07:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 771 transitions. [2021-11-13 22:07:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:07:49,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:49,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 374 states and 775 transitions. [2021-11-13 22:07:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 775 transitions. [2021-11-13 22:07:54,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 22:07:54,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:54,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 400 states and 833 transitions. [2021-11-13 22:09:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 833 transitions. [2021-11-13 22:09:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 22:09:04,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:04,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 422 states and 874 transitions. [2021-11-13 22:10:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 874 transitions. [2021-11-13 22:10:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 22:10:07,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:07,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 441 states and 916 transitions. [2021-11-13 22:10:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 916 transitions. [2021-11-13 22:10:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 22:10:48,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:48,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:50,591 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:10:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 442 states and 917 transitions. [2021-11-13 22:10:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 917 transitions. [2021-11-13 22:10:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 22:10:54,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:54,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.